Enables involuntary movement, like food through the GI tract A. Epithelium
B. Connective
C. Muscular
D. Description applies to more than one class of tissue

C

Explanation:

GI tract are the mouth, esophagus, stomach, small intestine, large intestine, and anus.

1. the energy lost to disorder metabolism     -entropy

2. related to or possessing motion potential     -kinetic

3. all of the chemical reactions in an organism required for maintenance of the processes of life entropy     -metabolism

4. possible; ability to go into action or perform work kinetic     -potential

5. the study of energy and its transformations thermodynamics     -thermodynamics

hydrogen is a compound or a single element and a element is a pure substence that cannot be separated into simpler subtances

clorine is a compound its a chemical substance that forms when two or more different elements combine

so both hydrogen and clorine are compounds